# HYDROFYX 20L Deionised Water, 4 × 5L

Generic: HYDROFYX deionised water is listed as a 20-litre supply in four 5-litre containers for household and automotive uses. The listing describes low conductivity water for steam irons, cleaning and vehicle maintenance, though one purity claim refers to a different pack size.

- [Original product page](https://bargainpostbox.co.uk/product/hydrofyx-20l-deionised-water-4x5l)
- [View offer](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Generic
- Model: TSCWC4x5L
- Price: 18.03 GBP
- Previous price: 22.49 GBP
- Discount: 20%
- Price checked: 2026-11-12T15:35:55.831Z
- Rating: 4.6 / 5
- Reviews: 704

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Four 5-litre containers are presented as a 20-litre pack in the title and item type.
- The listing names steam irons, humidifiers, car batteries, radiators, vehicle cleaning and household cleaning as intended applications.
- The manufacturer describes filtration without resin beds or added chemicals and claims low conductivity.

## Pros

- Four separate 5-litre containers allow the listed supply to be divided across different uses.
- The stated use cases cover both appliance water and automotive top-ups, as well as spot-free rinsing and cleaning.

## Specifications

### Identity
- Brand: Generic
- Model: TSCWC4x5L
### Supply and properties
- Pack quantity: 4
- Tank volume: 5 Litres
- Capacity: 5 litres
- Colour: Clear
- Special feature: Portable
- Surface recommendation: Various
### Power and configuration
- Power configuration: Manual
- Form factor: Handheld
### Dimensions and installation
- Weight listed: 21.3 Kilograms
- Item display dimensions: 37.3 x 27 x 27 x 28.5 centimetres

## Before you buy

- Follow the instructions for the appliance or vehicle when choosing water, and use it only where the manufacturer permits deionised water.
- The listing is inconsistent about product details: the title and item type say 20L as 4 × 5L, while a feature claims High Purity Deionised Water – 15L \(3 x 5L\) and gives conductivity of approximately 10 µS/cm with an upper limit of 20 µS/cm. The listed tank volume and capacity are each 5 litres, not the overall pack volume. Confirm the selected product's pack size and applicable conductivity specification before buying.

## A good fit for

- Households needing deionised water for steam irons or humidifiers, where the appliance instructions allow it.
- Car owners looking for water listed for battery or radiator top-ups, antifreeze or screen-wash mixing, and final-rinse cleaning.
- Cleaning tasks where the listing's suggested low-residue or streak-free rinse is useful.

## Customer feedback

Customer feedback highlights perceived effectiveness, particularly in steam irons, and mentions ease of use, water quality, reduced mineral residue, streak-free results and the usefulness of a 5-litre container. Those reports may matter for routine ironing and rinsing, but they do not resolve the listing's conflicting 20L versus 15L pack details or confirm a conductivity specification for the 20L pack.
- Positive themes: Feedback describes the water as effective for steam irons and mentions reduced limescale buildup.
- Positive themes: Customers are reported to appreciate the water quality, ease of use, and streak-free or residue-reducing results.
- Positive themes: The 5-litre container size is described positively for lasting use.

## Frequently asked questions

### How much water is included?
The title and item type describe 20 litres as four 5-litre containers. Another feature refers to a 15-litre, 3 × 5-litre product, so confirm the selected listing's pack size.
### What is the stated conductivity?
A feature for the 15L \(3 x 5L\) product states approximately 10 µS/cm, with an acceptable upper limit of 20 µS/cm. The listing does not clearly confirm that figure for the 20L pack.
### What uses does the listing suggest?
It names steam irons, humidifiers, car batteries, radiators, mixing with antifreeze or screen wash, and cleaning or final rinsing. Check the relevant appliance or vehicle instructions before use.
### Is this distilled water?
The product is described as deionised and demineralised water. The supplied listing does not establish that it is distilled.

## Offer details

- The stated 15% voucher applies to the Subscribe & Save purchase option only.

## Alternative options

- [Hexeal Deionised Water 20L - For Steam Irons, Car Batteries & Vehicles \| 4 x 5L - Also For Windscreen Fluid & Antifreeze. Demineralised Water, Reduces Limescale & Stains - Not Distilled](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [Filo Deionised Water 20l \(4x5L\) – Purified De Ionised Water for Car Batteries, Screen Wash, Radiators, Cooling Systems and Iron Water for Steam Iron](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [Hexeal Deionised Water 25L - For Steam Irons, Car Batteries & Vehicles \| Also For Windscreen Fluid & Antifreeze. Demineralised Water, Reduces Limescale & Stains - Not Distilled](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [HYDROFYX 5L Distilled Water – 0 PPM TDS Mineral Free Water for CPAP Machines, Humidifiers, Steam Irons & Car Batteries – Made in UK](https://bargainpostbox.co.uk/visit/somerset-clear-water-hydrofyx-distilled-5-5l)
- [Hexeal Deionised Water 50L - For Steam Irons, Car Batteries & Vehicles \| 2 x 25L - Also For Windscreen Fluid & Antifreeze. Demineralised Water, Reduces Limescale & Stains](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [JOVS Deionised Water 25 L – Purified, Demineralised Water for Car Batteries, Steam Irons, Radiators, Cleaning – Mineral-Free, Limescale Prevention, Perfect for Household & Automotive Use.](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [Filo Deionised Water 10l \(2x 5L\) – Purified De Ionised Water for Car Batteries, Screen Wash, Radiators, Cooling Systems and Iron Water for Steam Iron](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [CarPlan De-Ionised Water 2.5L - Prevents Furring & Scale Formation \| Prevents Furring & Scale Formation](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [Pure Chem Distilled Water Ironing Water - CPAP Machines, Steam Irons \| 2x5L Purified distilled water for CPAP machines, steam irons, batteries, radiators, cleaning, cosmetics and plants](https://bargainpostbox.co.uk/visit/pure-chem-tcpcdw-distilled-water)
- [DI car wash filter 10L with Bypass Outlet Mode deionized water Spotless Spot free car wash system with Brand Resin,Fit for Car/RV/Motorcycles/Window Cleaning \(Black-917\)](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [Filterelated Spotless Water System for Car Wash Deionized DI Water System-10L Resin with Built-in Pre-Filter KDF+GAC&Bypass Spot Free Car Wash System for Cars/RVs/Motorcycles/Solar Wash](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)
- [Hexeal Deionised Water 5L - For Steam Irons, Car Batteries & Vehicles \| Also For Windscreen Fluid & Antifreeze. Demineralised Water, Reduces Limescale & Stains - Not Distilled](https://bargainpostbox.co.uk/visit/hydrofyx-20l-deionised-water-4x5l)

## Add-ons

- [Pure Safe Deionised Water 5 Litre Mineral-Free Water for Car Batteries, Steam Irons, Cleaning & Laboratory Use, No Impurities, Multi-Purpose Distilled Water Alternative](https://bargainpostbox.co.uk/visit/pure-safe-deiwater-5l-deionised-water)

## Images

![HYDROFYX 20L Deionised Water, 4 × 5L — 1](https://bargainpostbox.co.uk/i/JbHUlTTwgPQsHTtAgeNELFN8IDHdxkOuapmFD6XV4gobkIWbhlktQSi-IaXGDePWPn6s93BTF7mXvUMmz_16U4XqXMsIpkgv3clm5pk-08aqDPbk8IMXr34w.jpg)

![HYDROFYX 20L Deionised Water, 4 × 5L — 2](https://bargainpostbox.co.uk/i/QNZc7XV1LJplpDzPlae32olzc_uFlSFlsn9pBP6RFX3y3y_RbP-SL1Hm7_qn_DAABDmyej5QHMHMzbPrQDvdcrEOYL2W622xbsGf2a8nYRtVrOyuknGNykAG.jpg)

![HYDROFYX 20L Deionised Water, 4 × 5L — 3](https://bargainpostbox.co.uk/i/Do4h2OC5UcCBwW4RJjjYv-jGZ24V24uXYSUo4ITzwbTvw1hBabqxZG5IQT4dcYNCpMGY0hnqZlf4Jr-TaIn90L4e4a5yhYVwXWLm0eCRIxo9pSZ2WMLRD3BN.jpg)

![HYDROFYX 20L Deionised Water, 4 × 5L — 4](https://bargainpostbox.co.uk/i/f2qADSmgVemZMogMLl9twFdCC8Qj6lHSY1KB3z9vVP4UK2AytN3l9ejXoCR9RyOG_qTjki1pxjyaib9jhRZnJDyegiqeB4a9aNMXP4jzHfJweytQaj08ILcT.jpg)

![HYDROFYX 20L Deionised Water, 4 × 5L — 5](https://bargainpostbox.co.uk/i/gXaol7I0q3OoNT_ZUlyb_B377RJUP3R0nuLva7oOAfuBTmE6h1fGxSm7mRhMvNWVsuNIifUQqDhrOrkt7ae0scmhcYqItbqQ5RhwCpKKKwqShOq6QsdeOCBY.jpg)

![HYDROFYX 20L Deionised Water, 4 × 5L — 6](https://bargainpostbox.co.uk/i/qI6a6--5eCf-ISMFAIWNT2hHeN4jI0sY3zWDHtwlVQqbfzO4ZF3sjF2PpqUwaVR7SR9QvKJ1CzUI8vAi03DB8JLGcrUm9cOLx5wkq30IdosLCDxnAjdLHKdb.jpg)